French police carried out 170 raids; arrests 23 people

French police carried out nearly 170 searches and arrested 23 people in raids overnight in the wake of the attacks on Paris and more than 100 people have been placed under house arrest, the interior minister said.

A total of 31 weapons were seized, Bernard Cazeneuve added, with sources telling AFP they included a rocket launcher and a Kalashnikov rifle found near the southeast city of Lyon.